// Copyright 2014 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. #![feature(slice_patterns)] #![deny(unreachable_patterns)] #![allow(unused_variables)] fn main() { let x: Vec<(isize, isize)> = Vec::new(); let x: &[(isize, isize)] = &x; match *x { [a, (2, 3), _] => (), [(1, 2), (2, 3), b] => (), //~ ERROR unreachable pattern _ => () } let x: Vec = vec!["foo".to_string(), "bar".to_string(), "baz".to_string()]; let x: &[String] = &x; match *x { [ref a, _, _, ..] => { println!("{}", a); } [_, _, _, _, _] => { } //~ ERROR unreachable pattern _ => { } } let x: Vec = vec!['a', 'b', 'c']; let x: &[char] = &x; match *x { ['a', 'b', 'c', ref _tail..] => {} ['a', 'b', 'c'] => {} //~ ERROR unreachable pattern _ => {} } }